APPENDIX L.—ASTRONOMICAL OBSERVATIONS. 
139 
ASTRONOMICAL OBSERVATIONS—Continued. 
Determination of latitude, March 24, 1854. —Double altitudes of 
Sirius, in the west. 
CAMP AT MUSTANG SPRINGS. 
DETERMINATION OF LATITUDE. 
Time. 
h. m. s. 
6 41 58 
6 43 41 
6 44 55 
6 46 18 
6 47 30 
6 48 21 
6 49 35 
6 50 39 
Double altitude of 
Altitudes. 
d. m. s. 
82 33 55 
82 23 05 
82 17 15 
82 09 05 
82 00 05 
81 58 05 d’btful. 
81 50 55 
81 44 55 
Ursce Majoris, in the east. 
Time. 
h. m. 
7 39 
7 41 
7 42 
7 42 
7 44 
7 45 
7 45 
7 46 
Altitudes. 
48 
03 
09 
59 
06 
07 
57 
52 
d. m. s. 
68 21 40 
68 04 10 
67 48 00 
67 36 40 
67 20 30 
67 05 40 
66 51 40 
66 38 30 
Double altitudes of Arciurus, in the east. 
Time. 
7 37 
Altitude. 
d. 
98 
Observations discontinued; the heavens suddenly clouded up. 
Observations for the variation of the compass.—Double altitude 
of Sirius, in the west. 
Time. 
h. m. 
9 21 
9 22 
9 24 
9 25 
9 26 
9 27 
9 28 
9 29 
Altitudes. 
45 
51 
15 
10 
26 
22 
18 
16 
d. m. s. 
74 10 30 
74 47 50 
75 26 10 
75 46 40 
76 19 00 
76 43 50 
77 06 20 
77 30 40 
Thermometer 58° Fahrenheit. 
Time. 
Altitude. 
Magnetic bearing. 
h. m. s. 
d. m. s. 
d. m. s. 
6 41 53 
82 33 55 
S. 00 30 00 W. 
Thermometer 72° Fahrenheit. 
POINT ON EAST RIDGE OP THE SAND HILLS. 
Determination of lime, March 27, 1854. 
Determination of latitude, March 29, 1854. —Double altitudes of 
Sirius, in the west. 
Time. 
h. m. 
7 . 39 
7 41 
7 42 
7 42 
7 44 
7 45 
7 45 
7 46 
Altitudes. 
d. 
68 
09 
59 
06 
07 
57 
52 
67 
67 
67 
67 
66 
66 
21 
04 
48 
36 
20 
05 
51 
38 
40 
10 
00 
40 
30 
40 
40 
30 
Time. 
Altitudes. 
Double altitudes of Capella, in the west. 
Time. 
Altitudes. 
h. m. 
9 56 
9 56 
9 57 
9 58 
9 59 
10 00 
10 00 
10 01 
10 02 
10 02 
14 
56 
35 
22 
20 
04 
45 
32 
10 
58 
d. 
103 
103 
103 
103 
104 
104 
104 
104 
105 
105 
20 
33 
44 
59 
17 
30 
42 
57 
09 
22 
Thermometer 74° Fahrenheit. 
40 
10 
50 
20 
10 
20 
00 
00 
10 
20 
h. m. s. 
7 53 21 
7 54 38 
7 55 38 
7 56 27 
7 57 30 
7 58 24 
7 59 23 
8 00 19 
d. m. s. 
91 30 20 
91 03 20 
90 43 30 
90 25 40 
90 04 20 
89 45 40 
89 25 00 
89 05 40 
Thermometer 58° Fahrenheit. 
